<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #fff">
      <a-menu
          mode="inline"
          :style="{ height: '100%', borderRight: 0 }"
          @click="handleClick"
      >
        <a-menu-item key="welcome">
          <MailOutlined/>
          <span>欢迎</span>
        </a-menu-item>
        <a-sub-menu v-for="item in level1" :key="item.id" >
          <template v-slot:title>
            <span><user-outlined />{{item.name}}</span>
          </template>
          <a-menu-item v-for="child in item.children" :key="child.id">
            <MailOutlined /><span>{{child.name}}</span>
          </a-menu-item>
        </a-sub-menu>
      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >
      <div class="welcome" v-show="isShowWelcome">
        <h1>欢迎使用知识库</h1>
      </div>
      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter:20,column:3}"  :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
          <span v-for="{ type, text } in actions" :key="type">
            <component :is="type" style="margin-right: 8px" />
            {{ text }}
          </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>
                <a :href="item.href">{{ item.name }}</a>
              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>

    </a-layout-content>
  </a-layout>

</template>

<script lang="ts">
import {defineComponent, onMounted, ref,reactive,toRef} from 'vue';
import axios from 'axios';
import {message} from "ant-design-vue";
import {Tool} from "@/util/tool";

// const listData: Record<string, string>[] = [];

// for (let i = 0; i < 23; i++) {
//   listData.push({
//     href: 'https://www.antdv.com/',
//     title: `ant design vue part ${i}`,
//     avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
//     description:
//         'Ant Design, a design language for background applications, is refined by Ant UED Team.',
//     content:
//         'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
//   });
// }

export default defineComponent({
  name: 'Home',
  setup() {
    const ebooks =ref();
    //const ebooks1=reactive({books:[]});
    const level1=ref();
    let categorys: any;
    /**
     * 查询所有分类
     **/
    const handleQueryCategory = () => {
      axios.get("/category/all").then((response) => {
        const data = response.data;
        if (data.success) {
          categorys = data.content;
          console.log("原始数组：", categorys);

          level1.value = [];
          level1.value = Tool.array2Tree(categorys, 0);
          console.log("树形结构：", level1.value);
        } else {
          message.error(data.message);
        }
      });
    };
    const isShowWelcome = ref(true);
    let categoryId2=0;
    const handleQueryEbook = () => {
      axios.get("/ebook/list",{
        params:{
          page:1,
          size:1000,
          categoryId2: categoryId2,
        }
      }).then((response)=>{
        const data = response.data;
        ebooks.value=data.content.list;
        // ebooks1.books=data.content;
      });
    };
    const handleClick = (value: any) => {
      console.log("menu click",value);
      if(value.key==='welcome'){
        isShowWelcome.value=true;
      }else {
        categoryId2 = Number(value.key);
        isShowWelcome.value=false;
        handleQueryEbook();
      }
      // isShowWelcome.value = value.key === 'welcome';
    };


    onMounted(()=>{
      handleQueryCategory();
    });

    return {
      ebooks,
      pagination:{
        onChange:(page: any)=>{
          console.log(page);
        },
        pageSize:3,
      },
      actions:[
        {type:'MessageOutlined',text:'2'}
      ],
      handleClick,
      level1,
      isShowWelcome,
    }
  }

});
</script>

<style scoped>
.ant-avatar{
  width: 50px;
  height: 50px;
  line-height: 50px;
  border-radius: 8% ;
  margin: 5px 0;
}
</style>
